FUOU油泵,泵頭SVPF-12/20/30/40-20/35/55/70-20 變量葉片泵

1/2HP 0.37KW,1/4HP0.19KW,10HP 7.5KW,15HP 11KW,1HP 0.75KW,1HP 0.75KW,20HP 15KW,2HP 1.5KW,2HP 1.5KW4P,2HP0.37KW,3HP 2.25KW,3HP2.25KW,5HP 3.75KW,5HP3.75KW,7.5HP 5.5KW,7.5HP 5.6KW
D4-02-2B2,D4-02-2D2,D4-02-3C2,D4-02-3C4,D4-02-3C60,D4-03-2B2,D4-03-2D2,D4-03-3C2,D4-03-3C4,D4-03-3C60,D4-04-2B2,D4-04-2B-AC,D4-04-2B-DC,D4-04-2D2,D4-04-3C2,D4-04-3C3,D4-04-3C4,D4-04-3C60,D4-04-3C-AC,D4-04-3C-DC,D4-06-2B2,D4-06-2B-AC,D4-06-2B-DC,D4-06-2D2,D4-06-3C2,D4-06-3C3,D4-06-3C4,D4-06-3C60,D4-06-3C-AC,D4-06-3C-DC,D4-10-2B2,D4-10-2B-AC,D4-10-2B-DC,D4-10-2D2.,D4-10-3C2,D4-10-3C3,D4-10-3C4,D4-10-3C60,D4-10-3C-AC,D4-10-3C-DC,D5-02-2B2,D5-02-2D2,D5-02-3C2,D5-02-3C4,D5-02-3C60,D5-03-2B2,D5-03-2D2,D5-03-3C2,D5-03-3C4,D5-03-3C60,D5-04-2B2,D5-04-2B-AC,D5-04-2B-DC,D5-04-3C2,D5-04-3C4,D5-04-3C60,D5-04-3C-AC,D5-04-3C-DC,D5-06-2B2,D5-06-2B-AC,D5-06-2B-DC,D5-06-3C2,D5-06-3C4,D5-06-3C60,D5-06-3C-AC,D5-06-3C-DC,D5-10-2B2,D5-10-2B-AC,D5-10-2B-DC,D5-10-3C2,D5-10-3C4,D5-10-3C60,D5-10-3C-AC,D5-10-3C-DC,DSG-01-2B2,DSG-01-2D2,DSG-01-3C2,DSG-01-3C4,DSG-01-3C60,DSG-03-2B2,DSG-03-3C2,DSG-03-3C4,DSG-03-3C60
EBG-03-C ,EBG-03-H ,EBG-06-C ,EBG-06-H
EDG-01-A45,EDG-01-A70,EDG-01-C,EDG-01-H
EFBG-03-125-C,EFBG-03-125-H,EFBG-03-160-C,EFBG-03-160-H,EFBG-03-320-H ,EFBG-03-60-C,EFBG-03-60-H,EFBG-06-250-C ,EFBG-06-250-H ,EFBG-06-320-C ,EFBG-10-500-C ,EFBG-10-500-H
P08-A0-F-R-01,P08-A1-F-R-01,P08-A2-F-R-01,P08-A3-F-R-01,P08-B0-F-R-01,P08-B1-F-R-01,P08-B2-F-R-01,P08-B3-F-R-01,P08-C0-F-R-01,P08-C1-F-R-01,P08-C2-F-R-01,P08-C3-F-R-01,P08-D0-F-R-01,P08-D1-F-R-01,P08-D2-F-R-01,P08-D3-F-R-01,P08-E0-F-R-01,P08-E1-F-R-01,P08-E2-F-R-01,P08-E3-F-R-01,P08-HL0-F-R-01,P08-HL1-F-R-01,P08-HL2-F-R-01,P08-HL3-F-R-01
P100-A1-F-R-01,P100-A3-F-R-01,P100-A4-F-R-01,P100-B1-F-R-01,P100-B3-F-R-01,P100-B4-F-R-01,P100-C1-F-R-01,P100-C3-F-R-01,P100-C4-F-R-01,P100-D1-F-R-01,P100-D3-F-R-01,P100-D4-F-R-01,P100-E1-F-R-01,P100-E3-F-R-01,P100-E4-F-R-01,P100-HL1-F-R-01,P100-HL3-F-R-01,P100-HL4-F-R-01
P16-A0-F-R-01,P16-A1-F-R-01,P16-A2-F-R-01,P16-A3-F-R-01,P16-B0-F-R-01,P16-B1-F-R-01,P16-B2-F-R-01,P16-B3-F-R-01,P16-C0-F-R-01,P16-C1-F-R-01,P16-C2-F-R-01,P16-C3-F-R-01,P16-D0-F-R-01,P16-D1-F-R-01,P16-D2-F-R-01,P16-D3-F-R-01,P16-E0-F-R-01,P16-E1-F-R-01,P16-E2-F-R-01,P16-E3-F-R-01,P16-HL0-F-R-01,P16-HL1-F-R-01,P16-HL2-F-R-01,P16-HL3-F-R-01
P22-A0-F-R-01,P22-A1-F-R-01,P22-A2-F-R-01,P22-A3-F-R-01,P22-B0-F-R-01,P22-B1-F-R-01,P22-B2-F-R-01,P22-B3-F-R-01,P22-C0-F-R-01,P22-C1-F-R-01,P22-C2-F-R-01,P22-C3-F-R-01,P22-D0-F-R-01,P22-D1-F-R-01,P22-D2-F-R-01,P22-D3-F-R-01,P22-E0-F-R-01,P22-E1-F-R-01,P22-E2-F-R-01,P22-E3-F-R-01,P22-HL0-F-R-01,P22-HL1-F-R-01,P22-HL2-F-R-01,P22-HL3-F-R-01
P36-A0-F-R-01,P36-A1-F-R-01,P36-A2-F-R-01,P36-A3-F-R-01,P36-B0-F-R-01,P36-B1-F-R-01,P36-B2-F-R-01,P36-B3-F-R-01,P36-C0-F-R-01,P36-C1-F-R-01,P36-C21-F-R-01,P36-C3-F-R-01,P36-D0-F-R-01,P36-D1-F-R-01,P36-D21-F-R-01,P36-D3-F-R-01,P36-E0-F-R-01,P36-E1-F-R-01,P36-E21-F-R-01,P36-E3-F-R-01,P36-HL0-F-R-01,P36-HL1-F-R-01,P36-HL21-F-R-01,P36-HL3-F-R-01
P46-A0-F-R-01,P46-A1--F-R-01,P46-A2-F-R-01,P46-A3-F-R-01,P46-B0-F-R-01,P46-B1--F-R-01,P46-B2-F-R-01,P46-B3-F-R-01,P46-C0-F-R-01,P46-C1--F-R-01,P46-C2-F-R-01,P46-C3-F-R-01,P46-D0-F-R-01,P46-D1--F-R-01,P46-D2-F-R-01,P46-D3-F-R-01,P46-E0-F-R-01,P46-E1--F-R-01,P46-E2-F-R-01,P46-E3-F-R-01,P46-HL0-F-R-01,P46-HL1--F-R-01,P46-HL2-F-R-01,P46-HL3-F-R-01
P70-A1-F-R-01,P70-A3-F-R-01,P70-A4-F-R-01,P70-B1-F-R-01,P70-B3-F-R-01,P70-B4-F-R-01,P70-C1-F-R-01,P70-C3-F-R-01,P70-C4-F-R-01,P70-D1-F-R-01,P70-D3-F-R-01,P70-D4-F-R-01,P70-E1-F-R-01,P70-E3-F-R-01,P70-E4-F-R-01,P70-HL1-F-R-01,P70-HL3-F-R-01,P70-HL4-F-R-01
PP100-A1-F-R-2A+P08-A1-S,PP100-A1-F-R-2A+P16-A1-S,PP100-A1-F-R-2A+P22-A1-S,PP100-A1-F-R-2B+P36-A1-S,PP100-A1-F-R-2B+P46-A1-S,PP100-A2-F-R-2A+P08-A2-S,PP100-A2-F-R-2A+P16-A2-S,PP100-A2-F-R-2A+P22-A2-S,PP100-A2-F-R-2B+P36-A2-S,PP100-A2-F-R-2B+P46-A2-S,PP100-A3-F-R-2A+P08-A3-S,PP100-A3-F-R-2A+P16-A3-S,PP100-A3-F-R-2A+P22-A3-S,PP100-A3-F-R-2B+P36-A3-S,PP100-A3-F-R-2B+P46-A3-S
PP16-A1-F-R-2A+P08-A1-S,PP16-A1-F-R-2A+P16-A1-S,PP16-A2-F-R-2A+P08-A2-S,PP16-A2-F-R-2A+P16-A2-S,PP16-A3-F-R-2A+P08-A3-S,PP16-A3-F-R-2A+P16-A3-S
PP22-A1-F-R-2A+P08-A1-S,PP22-A1-F-R-2A+P16-A1-S,PP22-A1-F-R-2A+P22-A1-S,PP22-A2-F-R-2A+P08-A2-S,PP22-A2-F-R-2A+P16-A2-S,PP22-A2-F-R-2A+P22-A2-S,PP22-A3-F-R-2A+P08-A3-S,PP22-A3-F-R-2A+P16-A3-S,PP22-A3-F-R-2A+P22-A3-S
PP36-A1-F-R-2A+P16-A1-S,PP36-A1-F-R-2A+P22-A1-S,PP36-A2-F-R-2A+P16-A2-S,PP36-A2-F-R-2A+P22-A2-S,PP36-A3-F-R-2A+P16-A3-S,PP36-A3-F-R-2A+P22-A3-S
PP46-A1-F-R-2A+P16-A1-S,PP46-A1-F-R-2A+P22-A1-S,PP46-A2-F-R-2A+P16-A2-S,PP46-A2-F-R-2A+P22-A2-S,PP46-A3-F-R-2A+P16-A3-S,PP46-A3-F-R-2A+P22-A3-S
PP70-A1-F-R-2A+P08-A1-S,PP70-A1-F-R-2A+P16-A1-S,PP70-A1-F-R-2A+P22-A1-S,PP70-A1-F-R-2B+P36-A1-S,PP70-A1-F-R-2B+P46-A1-S,PP70-A2-F-R-2A+P08-A2-S,PP70-A2-F-R-2A+P16-A2-S,PP70-A2-F-R-2A+P22-A2-S,PP70-A2-F-R-2B+P36-A2-S,PP70-A2-F-R-2B+P46-A2-S,PP70-A3-F-R-2A+P08-A3-S,PP70-A3-F-R-2A+P16-A3-S,PP70-A3-F-R-2A+P22-A3-S,PP70-A3-F-R-2B+P36-A3-S,PP70-A3-F-R-2B+P46-A3-S
VP-08F-A1,VP-08-FA1,VP-08F-A2,VP-08-FA2,VP-08F-A3,VP-08-FA3,VP-08L-A1,VP-08L-A2,VP-08L-A3
VP-12F-A1,VP-12-FA1,VP-12F-A2,VP-12F-A3,VP-12L-A1,VP-12L-A2,VP-12L-A3
VP-15F-A1,VP-15-FA1,VP-15F-A2,VP-15F-A3,VP-15L-A1,VP-15L-A2,VP-15L-A3
VP-20-FA,VP-20F-A1,VP-20F-A2,VP-20-FA2,VP-20F-A3,VP-20L-A1,VP-20L-A2,VP-20L-A3
VP-24F-A1,VP-24F-A2,VP-24F-A3,VP-24L-A1,VP-24L-A2,VP-24L-A3
VP-25F-A1,VP-25F-A2,VP-25F-A3,VP-25L-A1,VP-25L-A2,VP-25L-A3
VP-26F-A1,VP-26F-A2,VP-26F-A3,VP-26L-A1,VP-26L-A2,VP-26L-A3
VP-30F-A1,VP-30-FA1,VP-30F-A2,VP-30F-A3,VP-30-FA3,VP-30L-A1,VP-30L-A2,VP-30L-A3
VP-40F-A1,VP-40-FA1,VP-40F-A3,VP-40L-A1,VP-40L-A2,VP-40L-A3
VP-45F-A1,VP-45F-A2,VP-45F-A3,VP-45L-A1,VP-45L-A2,VP-45L-A3,,
液壓油缸速度、順序控制問題分析

液壓油缸速度和順序同時控制的問題。
(1)順序閥的控制方式問題
同時進(jìn)行速度和順序控制的回路,順序閥的控制方式應(yīng)慎重考慮。
例如:設(shè)計要求:夾緊缸1把工件5夾緊后,進(jìn)給缸2才能動作,并且要求缸1速度能夠調(diào)節(jié)。圖7-46(a)要通過節(jié)流閥對缸l進(jìn)行速度控制,壓力閥4必然是溢流閥(常開壓力閥),則回路一定是一恒壓回路,其壓力Pi是由閥4調(diào)定的。這樣,順序閥3的開啟壓力p2只能是p2≤pl,于是缸2只能先動作或和缸1-起動作(暫不考慮兩缸的負(fù)載差異),達(dá)不到預(yù)想的目的。圖7-46(b)的順序閥內(nèi)控方式改為外控方式,即二次(控制)壓不是由一次壓引出,而是由節(jié)流閥出口引出。這樣當(dāng)缸1在運(yùn)動過程中,由于節(jié)流閥必然存在壓差,二次壓總小于一次壓,直到缸1夾緊工件停止運(yùn)動,二次壓才等于一次壓,缸2才開始動作,實現(xiàn)所要求的順序動作。

(2)溢流閥和順序閥調(diào)節(jié)參數(shù)不當(dāng)導(dǎo)致順序動作達(dá)不到要求
如圖7-47所示為專用機(jī)床雙缸順序動作液壓系統(tǒng)。由于溢流閥和順序閥調(diào)節(jié)參數(shù)不當(dāng),導(dǎo)致液壓缸4運(yùn)動速度能達(dá)到設(shè)計值,而液壓缸5的速度比預(yù)定的低。產(chǎn)生上述問題的原因是:由于壓力閥2在不該開啟時開啟,將泵的流量分流了,即溢流閥3調(diào)定的開啟壓力值低于順序閥通過液壓泵全部流量時的最高壓力值,或溢流閥3調(diào)定的開啟壓力值等于或略高于順序閥開啟后通過液壓泵全部流量時的最高壓力值, 液壓缸不能全速運(yùn)行或速度時大時小,因此,要將溢流閥3的壓力調(diào)到比順序閥開啟后的最高壓力高0. 5—0. 8MPa,系統(tǒng)出現(xiàn)的問題便可解決。

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